better error message when instance is missing

2023-12-12 10:46:55 +01:00
parent 49b11bfa81
commit d8bb4999dc
2 changed files with 3 additions and 1 deletions
--- a/base.py
+++ b/base.py
@ -281,6 +281,8 @@ class ServiceManager:
        if ins not in self.env:
            self.get_info()
        gr = self.group.upper()
+        if not ins:
+            raise UsageError('need instance')
        env = self.env[ins]
        return env.get('%s_ROOT' % gr, ''), env